1 files changed, 19 insertions, 0 deletions
diff --git a/main-window/tracking-mixin.hpp b/main-window/tracking-mixin.hpp
new file mode 100644
index 00000000..e48ca630
--- /dev/null
+++ b/main-window/tracking-mixin.hpp
@@ -0,0 +1,19 @@
+#pragma once
+
+#include "mixins.hpp"
+
+#include "logic/work.hpp"
+
+#include <memory>
+
+namespace OTR_MIXIN_NS(tracking_mixin) {
+
+using work_ptr = std::shared_ptr<Work>;
+
+struct OTR_MAIN_EXPORT has_work {
+    virtual explicit operator work_ptr() = 0;
+    inline has_work() = default;
+    virtual ~has_work();
+};
+
+}